package com.sky.service.impl;

import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.sky.constant.MessageConstant;
import com.sky.constant.PasswordConstant;
import com.sky.constant.StatusConstant;
import com.sky.context.BaseContext;
import com.sky.dto.EmployeeDTO;
import com.sky.dto.EmployeeLoginDTO;
import com.sky.dto.EmployeePageQueryDTO;
import com.sky.entity.Employee;
import com.sky.exception.AccountLockedException;
import com.sky.exception.AccountNotFoundException;
import com.sky.exception.PasswordErrorException;
import com.sky.mapper.EmployeeMapper;
import com.sky.result.PageResult;
import com.sky.service.EmployeeService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.time.LocalDateTime;
import java.util.List;

@Service
public class EmployeeServiceImpl implements EmployeeService {

    @Autowired
    private EmployeeMapper employeeMapper;


    //登陆功能
    public Employee login(EmployeeLoginDTO employeeLoginDTO) {
        String username = employeeLoginDTO.getUsername();
        String password = DigestUtils.md5DigestAsHex(employeeLoginDTO.getPassword().getBytes());//md5加密
        //1、根据用户名查询数据库中的数据
        Employee employee = employeeMapper.getByUsername(username);

        //2、处理各种异常情况（用户名不存在、密码不对、账号被锁定）
        if (employee == null) {
            //账号不存在
            throw new AccountNotFoundException(MessageConstant.ACCOUNT_NOT_FOUND);
        }
        //密码比对
        // TODO 后期需要进行md5加密，然后再进行比对
        if (!password.equals(employee.getPassword())) {
            //密码错误
            throw new PasswordErrorException(MessageConstant.PASSWORD_ERROR);
        }

        if (employee.getStatus() == StatusConstant.DISABLE) {
            //账号被锁定
            throw new AccountLockedException(MessageConstant.ACCOUNT_LOCKED);
        }

        //3、返回实体对象
        return employee;
    }

    @Override
    //添加员工
    public void save(EmployeeDTO employeeDTO) {
        System.out.println("serviceImpl线程id信息:"+Thread.currentThread().getId());
        //对象属性拷贝，将本类对于的属性拷贝到另一个类
        Employee employee = new Employee();
        BeanUtils.copyProperties(employeeDTO,employee);

        //设置账号状态
        employee.setStatus(StatusConstant.ENABLE);

        //设置默认初始密码，123456
        employee.setPassword(DigestUtils.md5DigestAsHex(PasswordConstant.DEFAULT_PASSWORD.getBytes()));
        /** aop自动填充，
        //设置时间，创建时间，更新时间
        employee.setCreateTime(LocalDateTime.now());
        employee.setUpdateTime(LocalDateTime.now());

        //设置当前记录的创建人id和修改人id
        employee.setCreateUser(BaseContext.getCurrentId());
        employee.setUpdateUser(BaseContext.getCurrentId());

        */
        employeeMapper.insert(employee);
    }

    @Override  //分页查询，employ
    public PageResult pageQuery(EmployeePageQueryDTO employeePageQueryDTO) {

        //开始分页查询
        PageHelper.startPage(employeePageQueryDTO.getPage(),employeePageQueryDTO.getPageSize());

        Page page= employeeMapper.pageQuery(employeePageQueryDTO);
        long total = page.getTotal();
        List<Employee> records = page.getResult();
        PageResult pageResult = new PageResult(total, records);

        return pageResult;
    }

    @Override
    //启用禁用员工，修改员工的状态
    public void startOrStop(Integer status, Long id) {
        Employee employee = Employee.builder()
                .status(status)
                .id(id)
                .updateTime(LocalDateTime.now())
                .updateUser(BaseContext.getCurrentId())
                .build();
        employeeMapper.updata(employee);
    }

    @Override
    //根据id查询员工信息
    public Employee getById(Long id) {
        return employeeMapper.getById(id);

    }

    @Override
    public void update(Employee employee) {
        Employee employee1 = Employee.builder()
                .id(employee.getId())
                .name(employee.getName())
                .username(employee.getUsername())
                .phone(employee.getPhone())
                .sex(employee.getSex())
                .idNumber(employee.getIdNumber())
                .build();
        employeeMapper.updata(employee1);


    }

}
